Since the beginning, the standard F-91W has been paired with a resin strap, which works fine for everyday wear but feels less at home when you’re trekking outdoors. Casio has unveiled a fabric strap version of the F-91W for the first time. If you’ve ever wanted to take the F-91W into the backcountry without the plastic strap building up sweat or looking out of place, Casio now has you covered.